caaf7a0ba0be857a3b9ffadb1721a2f8e1ce053de3e54c58971c24235acb8952 | Triage

Analysis

max time kernel
150s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-05-2022 04:06

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General

Target

snxdx/msvcr120.dll
Size

948KB
MD5

034ccadc1c073e4216e9466b720f9849
SHA1

f19e9d8317161edc7d3e963cc0fc46bd5e4a55a1
SHA256

86e39b5995af0e042fcdaa85fe2aefd7c9ddc7ad65e6327bd5e7058bc3ab615f
SHA512

5f11ef92d936669ee834a5cef5c7d0e7703bf05d03dc4f09b9dcfe048d7d5adfaab6a9c7f42e8080a5e9aad44a35f39f3940d5cca20623d9cafe373c635570f7

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4824 3784 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1440 wrote to memory of 3784	1440	rundll32.exe	rundll32.exe
PID 1440 wrote to memory of 3784	1440	rundll32.exe	rundll32.exe
PID 1440 wrote to memory of 3784	1440	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\snxdx\msvcr120.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1440

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\snxdx\msvcr120.dll,#1
2⤵
PID:3784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3784 -s 604
3⤵
- Program crash
PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3784 -ip 3784
1⤵
PID:4696

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3784-130-0x0000000000000000-mapping.dmp

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